[bug-diffutils] bug#23613: Fix emerge xref in manual

[Glenn Morris]

Package: diffutils
Severity: minor

Hi - the following fixes an xref from the diffutils manual to the Emacs one.

You might also want to add some redirects for the online version, like eg

http://web.cvs.savannah.gnu.org/viewvc/emacs/manual/.htaccess?root=emacs&view=markup


--- a/doc/diffutils.texi
+++ b/doc/diffutils.texi
@@ -2438,7 +2438,7 @@ put the merged text.  @xref{Invoking sdiff}, for more 
details on the
 options to @command{sdiff}.
 
 Another way to merge files interactively is to use the Emacs Lisp
-package @command{emerge}.  @xref{emerge, , emerge, emacs, The
+package @command{emerge}.  @xref{Emerge, , Emerge, emacs, The
 @acronym{GNU} Emacs Manual}, for more information.
 
 @menu